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Clouds can weigh thousands of pounds due to their liquid water content. Often this content is measured g/m^3. Assume that a cumulus cloud occupies a volume of one cubic km, and its liquid water content is 0.2g/m^3.
a) What is the volume of this cloud in cubic miles?
b) How much does the water in the cloud weigh in pounds.
how many pounds of coal must be burned to keep one 100 watt light bulb lit for one hour. Assume efficiency of the power plant is 35%, the transmission losses are 10% fo the delivered poer, and the heating value of coal is 12,000 BTU/lb
A hydraulic jump occurs in an rectangular channel 2.3 m wide when the discharge is 2.5 m^3/s. If the upstream depth is 0.25 m calculate the depth downstream of the jump and the energy loss in the jump.
An Air manometer is connected to each side of an orifice, with a diameter of 8 inches, in a pipe with a diamter of 12 inches. If a maximum flow rate is 5 ft^3/s, what is the deflection of the manometer
A brass alloy has a yield strength of 280 MPa, a tensile strength of 390 MPa, and an elastic modulus of 105 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.6 mm.
Determine the magnitude of reaction at point A (in kips) of a 20' beam with 5kips at 4' of the beam and 2kips at 9' of the beam at 350lbs./ft.
A pipe is to be installed under the ground on a bed of aggregate 6 in. thick. The entire weight on the aggregate from pipe and soil above the pipe is 1800 lbs. per linear foot of pipe. What is the pressure on the soil if theta is 45 degrees
a. Determine the shear and moment diagram. b. Calculate the maximum normal stress on the top of the beam, on the bottom of the beam and indicate in terms of x its location.
plane gate of uniform thickness holds back a depth of water. Find the minimum weight need to keep the gate closed. theta=30degrees L = 3m w = 2m
A pipe carrying oil of specific gravity (SG = 0.877) changes in size from 150 mm at section E to 450 mm at section R (E and R are arbitrary designations of the two points in the system).
The bar is 1m long and its weight, W, acts at its midpoint. The angle is a=30 degrees, and the the spring constant k= 100N/m. The spring in its current position is 1.52m long, and its unstretched length of 1.25 m occurs when the bar is vertical a=..
The 90lb door has its center of gravity at G. A)Determine the components of reaction at hinge A if hinge B resists only forces in the x and y directions and A resists forces in the x,y,z directions.
If the nuclei from the liquid were cuboids, determine the critical radius and the activation energy of solidification for Spheroidal nuclei.
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